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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Smazna, D.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2019Tailored crystalline width and wall thickness of an annealed 3D carbon foam composites and its mechanical propertycitations
- 2018Fundamentals of the temperature-dependent electrical conductivity of a 3D carbon foam—Aerographitecitations
- 2017Enhancing the conductivity of ZnO micro- and nanowire networks with gallium oxidecitations
- 2017Morphology dependent UV photoresponse of Sn-doped ZnO microstructurescitations
- 2017Hybridization of zinc oxide tetrapods for selective gas sensing applicationscitations
- 2017Functional NiTi grids for in situ straining in the TEMcitations
- 2016Electrical and thermal conductivity of aerogel/epoxy composites
- 2016Photocatalytic applications of doped zinc oxide porous films grown by magnetron sputtering
Places of action
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document
Electrical and thermal conductivity of aerogel/epoxy composites
Abstract
<p>This study investigates the electrical and thermal characteristics of two novel carbon aerogel composites containing Aerographite (AG) and a CNT foam. Aerographite of densities between 3 to 16 mg/cm<sup>3</sup>, and the CNT foam with densities of 17 and 31 mg/cm<sup>3</sup> were prepared in the CVD process. Both aerogels were infiltrated with epoxy resin using a vacuum assisted infiltration technique that preserves the interconnected structure. The neat Aerographite showed a maximum electrical conductivity of 10.3 S/m while the CNT foam reached 1.7 S/m. In the epoxy composites the electrical conductivity of the neat materials is adopted, thus resulting in an enhancement of orders of magnitude when compared to neat epoxy. Thermal conductivity was studied using a Xenon flash method. First results show an improvement of thermal conductivity of the composite by 33 % at the low filler content of only 0.26 wt.-% for the Aerographite and of 91 % for the CNT foam at 2.7 wt.-% filler content.</p>